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How to redirect your 404 error to a custom page

A 404 error message is the standard HTTP standard response code which is returned when the visitor cannot communicate with the server. This is a very common error on the web and it occurs when you are trying to visit a page which has either been deleted or has been moved somewhere else. For example, [...]

How to list out opened host ports in Linux

Opened host ports are usually the most non-physical direct way of forcing entry remotely. Here you would see several tools and ways how to list out your currently opened ports from your managed linux box. Let’s view our first attempt to list out those opened and used ports. # netstat -panut | grep LISTEN We [...]

How to enable and disable of telnet service

The telnet command is used to communicate with another host using the TELNET protocol. If telnet is invoked without the host argument, it enters command mode, indicated by its prompt ( telnet>). In this mode, it accepts and executes the commands listed below. If it is invoked with arguments, it performs an open command with [...]

How to take Linux backups powered by Rsync

RSync backups data and does it very clean and well. Rsync only transfers those data that have been modified and changed so that the destination host has an exact replica from the source host. Rysnc is a command line backup tool that handles data transfers in an effective and secure manner like any other known [...]

How to Install and Configure MRTG

The Multi Router Traffic Grapher (MRTG) is a tool to monitor the traffic load on network-links. MRTG generates HTML pages containing PNG images which provide a LIVE visual representation of this traffic. MRTG is basically used for generating graphs to a device, network host, IP-based appliances for monitoring usage, live data and statistics usage. This [...]

How to secure router or ADSL modem?

This article written on 20/09/2008 by Dinesh Suryavanshi, Sometimes we ignore little details, which is a bad thing – because others can use our negligence against us.Most routers and ADSL modems come with a web interface that is used to control and configure the device. The administration panel is accessed with a web-browser, and it [...]

Internet Explorer 8 Beta 2 Evaluator’s Guide

Windows Internet Explorer 8 Beta 2 Windows Internet Explorer 8 is the next version of the world’s most popular browser that optimizes developer and end-user experiences to provide a window to the Web of online services. Moreover, Internet Explorer 8 offers new features and functionality that enable customers to reach beyond the page in more [...]

How to Extremely Powerful Linux Password Sniffer

Password Sniffer on Linux? Yep, we all need to be informed of passwords being sniffed out! I would not entail those details and cover specific issues of identifying your network securities as that would be large enough to be covered here and case to case basis. However, those two words are being mentioned here and [...]

How To See Invisible YM Users using Linux

Yahoo messenger from Yahoo! is one of the most commonly installed messenger on windows-based desktop systems, besides from MSN messenger, which comes as a default windows messenger from windows OS. In Linux world, there are variety of all around chat/voice messengers available. From the default GNOME GAIM messenger, now known as Pidgin, there’s also Kopete [...]

How To Install Adobe Flash Player 10 into Firefox 3 under Fedora 9

The latest release for Adobe Flash Player reaches version 10, code-named Astro. As seen from Adobe’s site Adobe® Flash® Player 10, code-named “Astro,” introduces new expressive features and visual performance improvements that allow interactive designers and developers to build the richest and most immersive Web experiences.  These new capabilities also empower the community to extend [...]

How to Choose One Linux Distributions

While there are certainly many versions (“distributions”) of Linux to choose from, picking one that is right for you can be straightforward as long as you know your needs and are willing to do some research. – The balance act: Ubuntu Linux, Red Hat and Fedora Linux, Mandriva Linux, and SuSE Linux offer reliability, flexibility, [...]

How to Make Firefox Look Like Google Chrome

Want to make your Firefox theme look like Google Chrome? Barely days after Google chrome browser was launched, the Firefox community has developed an extension to give your the same appearance. Get the Chromifox firefox extension, called a  “coat of Chrome for Firefox”. Its is a bright and soft blue theme for Firefox 3 on [...]

How to configure the hairpinning feature on the PIX/ASA

With PIX/ASA version 7.0 and later, a new feature is introduced that allows the PIX to support hairpinning in a VPN environment. When the PIX/ASA is the hub in a VPN environment, this feature supports spoke-to-spoke VPN communications as it provides the ability for encrypted traffic to enter and leave the same interface. If the [...]

How to Configure and build bonding in Linux

Most popular distro kernels ship with the bonding driver already available as a module and the ifenslave user level control program installed and ready for use. If your distro does not, or you have need to compile bonding from source (e.g., configuring and installing a mainline kernel from kernel.org), you’ll need to perform the following [...]

Outlook Web Access Architecture & How OWA works

Outlook Web Access Architecture How OWA works The client issues a HTTP request using browser using URL. The DNS resolves the request and forward to the IIS server. The HTTP request flows across the network to the IIS server. Exchange registers itself with IIS as a valid application, so when a request is received byHTTP [...]